No, 215 is not a prime number. It is a composite number: it ends in 5, so it is divisible by 5.
215 has divisors other than 1 and itself. The smallest is 5: 215 ÷ 5 = 43.
Prime factorization: 215 = 5 × 43.
| Number | Prime? |
|---|---|
| 211 | Yes |
| 212 | No, 2 × 2 × 53 |
| 213 | No, 3 × 71 |
| 214 | No, 2 × 107 |
| 216 | No, 2 × 2 × 2 × 3 × 3 × 3 |
| 217 | No, 7 × 31 |
| 218 | No, 2 × 109 |
| 219 | No, 3 × 73 |
More about 215: 215 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.